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Red_light_through_lens_on_fiber_Roberts_clipped.jpg
Red laser light, invisibly guided by the fiber, expands in a cone and is collimated by a slide-on lens. The entire construction has a length of 1 mm.
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Lens_CAD_design_Mika.jpg
Design of the 3D-printed slip-on lens. It was printed with its feet on a glass substrate, then a cleaved single-mode fiber was inserted into its sleeve ...
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3D-printed_lens_slipped_on_fiber_MikaMcKeever.jpg
A microscopic 3D-printed lens has been put over the end of an optical fiber for focusing the fiber-guided light.
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Multimode fibers
Here, short pieces of graded-index and multimode fibers, only fractions of a millimeter long, have been spliced onto a single-mode fiber. Fiber lengths deviate ...
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Membranes_on_fiber.jpg
Two and four 3D-printed membranes stacked on top of a fiber mirror for collective optomechanical coupling to a fiber cavity.
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Monolithic_fiber_cavity_magnified.jpg
Close-up of the central part with the actual cavity (length ~80 µm).
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Fiber_shooting_setup.jpg
Fiber micromachining setup.
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Cavity_with_drum_on_fiber_endface.jpg
Fiber cavity with membrane on the left fiber mirror.
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Omega-metalization_on_fiber_endface.jpg
Loop antenna realized on an optical fiber; the fiber diameter is 125 µm.
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